:root {
  color-scheme: dark;
  --bg: #05080e;
  --bg-soft: #09101a;
  --surface: rgba(15, 25, 40, 0.74);
  --surface-solid: #0c1522;
  --surface-light: #111e2e;
  --line: rgba(147, 185, 231, 0.14);
  --line-strong: rgba(115, 241, 255, 0.28);
  --text: #f4f8ff;
  --muted: #98a8bd;
  --muted-strong: #c2cddd;
  --cyan: #73f1ff;
  --blue: #2778ff;
  --blue-soft: #1458c9;
  --success: #80ffc5;
  --max: 1240px;
  --radius: 22px;
  --shadow: 0 24px 80px rgba(0, 0, 0, 0.32);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 80% 5%, rgba(39, 120, 255, 0.10), transparent 30rem),
    var(--bg);
  color: var(--text);
  font-family: Inter, "SF Pro Display", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}
body.menu-open { overflow: hidden; }
a { color: inherit; text-decoration: none; }
button { font: inherit; }
img, svg { display: block; max-width: 100%; }

.skip-link {
  position: fixed;
  top: 10px;
  left: 10px;
  z-index: 200;
  padding: 10px 14px;
  border-radius: 8px;
  background: var(--cyan);
  color: #021018;
  transform: translateY(-150%);
}
.skip-link:focus { transform: translateY(0); }

.container { width: min(calc(100% - 48px), var(--max)); margin-inline: auto; }
.section { position: relative; padding: 112px 0; }
.section-compact { padding: 72px 0; }
.section-divider { border-top: 1px solid var(--line); }
.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 20px;
  color: var(--cyan);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}
.eyebrow::before { width: 24px; height: 1px; background: currentColor; content: ""; }
.display {
  max-width: 850px;
  margin: 0;
  font-size: clamp(44px, 7vw, 92px);
  font-weight: 620;
  letter-spacing: -0.055em;
  line-height: 0.98;
}
.display .gradient-text,
.gradient-text {
  background: linear-gradient(110deg, #fff 10%, var(--cyan) 52%, #66a0ff 92%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.section-title {
  max-width: 760px;
  margin: 0;
  font-size: clamp(34px, 4.2vw, 58px);
  font-weight: 600;
  letter-spacing: -0.045em;
  line-height: 1.08;
}
.section-copy {
  max-width: 650px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 19px;
  line-height: 1.85;
}
.section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 40px;
  margin-bottom: 56px;
}
.section-head .section-copy { max-width: 440px; margin: 0; }
.button-row { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 36px; }
.button {
  display: inline-flex;
  min-height: 50px;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 0 22px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 650;
  transition: transform .25s ease, border-color .25s ease, background .25s ease;
}
.button:hover { transform: translateY(-2px); }
.button-primary { background: linear-gradient(100deg, var(--cyan), #5ba4ff); color: #04111a; }
.button-secondary { border-color: var(--line-strong); background: rgba(8, 18, 30, .46); color: var(--text); }
.arrow { font-size: 19px; line-height: 1; transition: transform .25s ease; }
a:hover .arrow { transform: translateX(4px); }

.site-header {
  position: fixed;
  z-index: 100;
  top: 0;
  right: 0;
  left: 0;
  border-bottom: 1px solid transparent;
  transition: background .25s ease, border-color .25s ease, backdrop-filter .25s ease;
}
.site-header.is-scrolled {
  border-color: var(--line);
  background: rgba(5, 8, 14, .76);
  backdrop-filter: blur(20px);
}
.header-inner { display: flex; height: 78px; align-items: center; justify-content: space-between; }
.brand { width: 196px; flex: 0 0 auto; }
.site-nav { display: flex; align-items: center; gap: 38px; }
.site-nav a {
  position: relative;
  color: var(--muted-strong);
  font-size: 16px;
  transition: color .2s ease;
}
.site-nav a::after {
  position: absolute;
  right: 0;
  bottom: -11px;
  left: 0;
  height: 1px;
  background: var(--cyan);
  content: "";
  transform: scaleX(0);
  transition: transform .2s ease;
}
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--text); }
.site-nav a[aria-current="page"]::after { transform: scaleX(1); }
.menu-button { display: none; width: 44px; height: 44px; border: 1px solid var(--line); border-radius: 50%; background: transparent; color: var(--text); }
.menu-button span, .menu-button::before, .menu-button::after { display: block; width: 18px; height: 1px; margin: 4px auto; background: currentColor; content: ""; transition: transform .2s ease; }
.menu-button[aria-expanded="true"] span { opacity: 0; }
.menu-button[aria-expanded="true"]::before { transform: translateY(5px) rotate(45deg); }
.menu-button[aria-expanded="true"]::after { transform: translateY(-5px) rotate(-45deg); }

.hero {
  min-height: 820px;
  overflow: hidden;
  padding: 184px 0 80px;
  border-bottom: 1px solid var(--line);
}
.hero::before {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(106, 154, 215, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(106, 154, 215, .05) 1px, transparent 1px);
  background-size: 64px 64px;
  content: "";
  mask-image: linear-gradient(to bottom, black, transparent 88%);
}
.hero-grid { position: relative; z-index: 2; display: grid; grid-template-columns: 1.15fr .85fr; align-items: center; gap: 42px; }
.hero-copy { color: var(--muted-strong); max-width: 650px; margin: 28px 0 0; font-size: 20px; line-height: 1.8; }
.hero-visual { position: relative; min-height: 520px; }
.hero-glow { position: absolute; width: 420px; height: 420px; top: 40px; right: -40px; border-radius: 50%; background: rgba(35, 119, 255, .24); filter: blur(100px); }
.rack {
  position: absolute;
  top: 42px;
  right: 8%;
  width: 340px;
  height: 400px;
  padding: 24px;
  border: 1px solid rgba(134, 188, 255, .25);
  border-radius: 18px;
  background: linear-gradient(145deg, rgba(25, 40, 61, .88), rgba(7, 13, 22, .86));
  box-shadow: -30px 40px 80px rgba(0,0,0,.35), inset 0 1px rgba(255,255,255,.08);
  transform: perspective(900px) rotateY(-13deg) rotateX(4deg);
}
.rack::before, .rack::after { position: absolute; left: 28px; width: 5px; height: 5px; border-radius: 50%; background: var(--cyan); box-shadow: 265px 0 var(--cyan); content: ""; }
.rack::before { top: 12px; }.rack::after { bottom: 12px; }
.rack-unit { display: grid; grid-template-columns: 1fr auto; align-items: center; height: 48px; margin-bottom: 9px; padding: 0 14px; border: 1px solid rgba(119, 159, 205, .13); border-radius: 6px; background: #09111c; }
.rack-unit::before { width: 70%; height: 3px; background: repeating-linear-gradient(90deg, #25374c 0 6px, transparent 6px 10px); content: ""; }
.rack-unit::after { width: 5px; height: 5px; border-radius: 50%; background: var(--success); box-shadow: -12px 0 #2778ff; content: ""; }
.data-line { position: absolute; height: 1px; background: linear-gradient(90deg, transparent, var(--cyan), transparent); opacity: .65; animation: scan 4s linear infinite; }
.data-line.one { width: 300px; right: 160px; top: 130px; }.data-line.two { width: 220px; right: 10px; top: 302px; animation-delay: -1.6s; }.data-line.three { width: 200px; right: 240px; top: 430px; animation-delay: -2.4s; }
@keyframes scan { 0%, 100% { transform: translateX(-18px); opacity: .2; } 50% { transform: translateX(18px); opacity: .9; } }
.hero-meta { position: relative; z-index: 2; display: grid; grid-template-columns: repeat(3, 1fr); gap: 1px; margin-top: 88px; border: 1px solid var(--line); border-radius: 16px; background: var(--line); overflow: hidden; }
.meta-item { padding: 22px 26px; background: rgba(7, 13, 22, .82); }
.meta-item strong { display: block; margin-bottom: 6px; font-size: 17px; }.meta-item span { color: var(--muted); font-size: 14px; }

.product-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.product-card {
  position: relative;
  min-height: 420px;
  overflow: hidden;
  padding: 34px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(145deg, rgba(17, 30, 47, .86), rgba(8, 14, 23, .78));
  box-shadow: inset 0 1px rgba(255,255,255,.03);
  transition: transform .35s ease, border-color .35s ease;
}
.product-card:hover { border-color: var(--line-strong); transform: translateY(-5px); }
.card-index { color: #64768c; font: 600 11px/1 monospace; letter-spacing: .14em; }
.product-card h3 { max-width: 340px; margin: 18px 0 8px; font-size: 31px; letter-spacing: -.035em; }
.product-card p { max-width: 380px; margin: 0; color: var(--muted); font-size: 17px; line-height: 1.75; }
.card-link { position: absolute; z-index: 3; left: 34px; bottom: 30px; color: var(--cyan); font-size: 15px; font-weight: 650; }
.device { position: absolute; right: -8px; bottom: 24px; width: 250px; height: 112px; border: 1px solid rgba(119, 201, 255, .26); border-radius: 8px; background: linear-gradient(135deg, #17283d, #09111c); box-shadow: 0 30px 50px rgba(0,0,0,.35); transform: rotate(-10deg); transition: transform .35s ease; }
.product-card:hover .device { transform: rotate(-7deg) translateY(-6px); }
.device::before { position: absolute; inset: 18px; border: 1px solid rgba(119,201,255,.12); border-radius: 4px; background: repeating-linear-gradient(90deg, rgba(115,241,255,.05) 0 8px, transparent 8px 16px); content: ""; }
.device::after { position: absolute; top: 14px; right: 16px; width: 7px; height: 7px; border-radius: 50%; background: var(--cyan); box-shadow: 0 0 14px var(--cyan); content: ""; }
.device.sata { width: 210px; height: 150px; transform: rotate(-7deg); }
.device.ram { width: 270px; height: 64px; bottom: 60px; border-radius: 3px; background: linear-gradient(180deg, #153b42, #0b242c); }
.device.ram::before { inset: 10px; background: repeating-linear-gradient(90deg, #14202a 0 22px, transparent 22px 30px); }
.device.ram::after { top: auto; right: auto; bottom: -8px; left: 18px; width: 234px; height: 8px; border-radius: 0; background: repeating-linear-gradient(90deg, #cfab55 0 3px, transparent 3px 6px); box-shadow: none; }
.device.custom { width: 185px; height: 185px; right: 24px; bottom: -28px; border-radius: 22px; transform: rotate(45deg); background: linear-gradient(145deg, #102f4d, #0b1420); }

.capability-grid { display: grid; grid-template-columns: .8fr 1.2fr; gap: 70px; align-items: center; }
.capability-stack { display: grid; min-height: 440px; align-content: center; gap: 16px; }
.layer { position: relative; min-height: 104px; padding: 22px 26px; border: 1px solid var(--line-strong); border-radius: 14px; background: rgba(10, 20, 33, .92); box-shadow: 0 18px 42px rgba(0,0,0,.22); }
.layer span { color: var(--cyan); font-size: 12px; letter-spacing: .14em; }.layer strong { display: block; margin-top: 8px; font-size: 21px; }
.feature-list { display: grid; margin: 34px 0 0; padding: 0; list-style: none; }
.feature-list li { display: grid; grid-template-columns: 44px 1fr; gap: 14px; padding: 19px 0; border-top: 1px solid var(--line); }
.feature-list b { color: var(--cyan); font: 600 13px/1.5 monospace; }.feature-list strong { display: block; margin-bottom: 6px; font-size: 17px; }.feature-list span { color: var(--muted); font-size: 16px; line-height: 1.7; }

.solution-strip { display: grid; grid-template-columns: repeat(4, 1fr); border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; }
.solution-item { position: relative; min-height: 360px; padding: 24px; border-right: 1px solid var(--line); background: rgba(9, 16, 26, .72); transition: background .3s ease; }
.solution-item:last-child { border-right: 0; }.solution-item:hover { background: #101d2c; }
.solution-image { width: 100%; aspect-ratio: 16 / 9; margin-bottom: 24px; border: 1px solid var(--line); border-radius: 13px; background: #09121d; object-fit: cover; }
.solution-item h3 { margin: 0 0 10px; font-size: 22px; }.solution-item p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.75; }

.manifesto { overflow: hidden; border-block: 1px solid var(--line); background: linear-gradient(120deg, rgba(24, 68, 129, .18), transparent 60%); }
.manifesto-inner { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: center; min-height: 420px; }
.manifesto-quote { margin: 0; font-size: clamp(36px, 5vw, 68px); line-height: 1.08; letter-spacing: -.045em; }
.manifesto-copy { color: var(--muted); font-size: 19px; line-height: 1.9; }

.page-hero { min-height: 610px; overflow: hidden; padding: 176px 0 90px; border-bottom: 1px solid var(--line); }
.page-hero::after { position: absolute; right: -10%; bottom: -80%; width: 720px; height: 720px; border: 1px solid rgba(115,241,255,.10); border-radius: 50%; box-shadow: 0 0 0 100px rgba(39,120,255,.03), 0 0 0 210px rgba(39,120,255,.02); content: ""; }
.page-hero .display { max-width: 950px; font-size: clamp(48px, 7vw, 84px); }
.page-hero .section-copy { position: relative; z-index: 2; max-width: 630px; }
.breadcrumbs { margin-bottom: 54px; color: #73849a; font-size: 13px; letter-spacing: .12em; }
.breadcrumbs span { color: var(--cyan); }

.catalog { display: grid; gap: 28px; }
.catalog-card { display: grid; grid-template-columns: .8fr 1.2fr; min-height: 430px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.catalog-visual { position: relative; overflow: hidden; background: radial-gradient(circle at 50% 45%, rgba(39,120,255,.21), transparent 45%), #08101a; }
.catalog-visual .device { top: 50%; right: 50%; bottom: auto; transform: translate(50%,-50%) rotate(-8deg) scale(1.1); }
.catalog-visual .device.ram { transform: translate(50%,-50%) rotate(-8deg) scale(1.2); }
.catalog-body { padding: 44px; }.catalog-body h2 { margin: 10px 0 14px; font-size: 36px; letter-spacing: -.035em; }.catalog-body > p { margin: 0 0 28px; color: var(--muted); font-size: 17px; line-height: 1.8; }
.spec-table { width: 100%; border-collapse: collapse; }
.spec-table th, .spec-table td { padding: 14px 0; border-top: 1px solid var(--line); text-align: left; font-size: 15px; }
.spec-table th { width: 34%; color: #74869d; font-weight: 500; }.spec-table td { color: var(--muted-strong); }
.spec-note { margin: 18px 0 0 !important; color: #74869d !important; font-size: 11px !important; line-height: 1.7 !important; }
.tag-row { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 24px; }
.tag { padding: 8px 11px; border: 1px solid var(--line); border-radius: 999px; color: var(--muted-strong); font-size: 12px; }

.architecture { display: grid; grid-template-columns: 1fr 1.15fr; gap: 70px; align-items: center; }
.flow-map { position: relative; display: grid; grid-template-columns: repeat(3, 1fr); align-items: center; min-height: 380px; gap: 36px; }
.flow-map::before { position: absolute; right: 12%; left: 12%; top: 50%; height: 1px; background: linear-gradient(90deg, var(--blue), var(--cyan)); content: ""; }
.flow-node { position: relative; z-index: 2; display: grid; min-height: 130px; place-items: center; padding: 18px; border: 1px solid var(--line-strong); border-radius: 16px; background: #0b1521; text-align: center; box-shadow: var(--shadow); }
.flow-node small { display: block; margin-bottom: 8px; color: var(--cyan); font: 600 12px monospace; }.flow-node strong { font-size: 16px; }
.solution-detail-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 18px; }
.solution-detail { min-height: 460px; padding: 30px; border: 1px solid var(--line); border-radius: var(--radius); background: linear-gradient(145deg, rgba(15,27,43,.88), rgba(7,13,22,.7)); }
.solution-detail .solution-image { max-height: 175px; margin-bottom: 28px; }.solution-detail h3 { margin: 0 0 12px; font-size: 28px; }.solution-detail p { margin: 0; color: var(--muted); font-size: 17px; line-height: 1.8; }.solution-detail ul { margin: 24px 0 0; padding: 0; list-style: none; }.solution-detail li { padding: 10px 0; border-top: 1px solid var(--line); color: var(--muted-strong); font-size: 15px; }

.about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 80px; align-items: start; }
.about-copy p { margin: 0 0 22px; color: var(--muted); font-size: 19px; line-height: 1.9; }
.principles { display: grid; gap: 1px; border: 1px solid var(--line); border-radius: var(--radius); overflow: hidden; background: var(--line); }
.principle { display: grid; grid-template-columns: 64px 1fr; gap: 20px; padding: 28px; background: var(--surface-solid); }
.principle b { color: var(--cyan); font: 600 14px monospace; }.principle h3 { margin: 0 0 7px; font-size: 20px; }.principle p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.75; }
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; border: 1px solid var(--line); background: var(--line); }
.process-step { min-height: 280px; padding: 30px; background: #09111c; }.process-step b { color: var(--cyan); font: 600 13px monospace; }.process-step h3 { margin: 82px 0 12px; font-size: 21px; }.process-step p { margin: 0; color: var(--muted); font-size: 15px; line-height: 1.75; }

.site-footer { border-top: 1px solid var(--line); background: #04070c; }
.footer-top { display: grid; grid-template-columns: 1.2fr .8fr; gap: 60px; padding: 72px 0 58px; }
.footer-brand img { width: 196px; margin-bottom: 22px; }.footer-brand p { max-width: 440px; color: var(--muted); line-height: 1.75; }
.footer-nav { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }.footer-nav strong { display: block; margin-bottom: 18px; color: #78899f; font-size: 12px; letter-spacing: .14em; }.footer-nav a { display: block; margin-bottom: 12px; color: var(--muted-strong); font-size: 15px; }
.footer-bottom { display: flex; min-height: 64px; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid var(--line); color: #64758b; font-size: 12px; }

.js [data-reveal].is-visible { animation: reveal-in .75s cubic-bezier(.2,.7,.2,1) both; }
@keyframes reveal-in { from { opacity: 0; transform: translateY(22px); } to { opacity: 1; transform: none; } }

@media (max-width: 980px) {
  .section { padding: 90px 0; }
  .menu-button { display: block; }
  .site-nav { position: fixed; inset: 78px 0 0; display: flex; flex-direction: column; align-items: stretch; gap: 0; padding: 30px 24px; background: rgba(5,8,14,.98); transform: translateX(100%); transition: transform .3s ease; }
  .site-nav.is-open { transform: none; }
  .site-nav a { padding: 19px 4px; border-bottom: 1px solid var(--line); font-size: 22px; }
  .site-nav a::after { display: none; }
  .hero-grid, .capability-grid, .architecture, .about-grid { grid-template-columns: 1fr; }
  .hero { padding-top: 150px; }.hero-visual { min-height: 410px; }.rack { width: 300px; height: 350px; right: 50%; transform: translateX(50%) perspective(900px) rotateY(-10deg) rotateX(4deg); }.rack-unit { height: 41px; }
  .hero-meta { margin-top: 40px; }
  .section-head { display: block; }.section-head .section-copy { margin-top: 22px; }
  .solution-strip, .process-grid { grid-template-columns: repeat(2, 1fr); }.solution-item:nth-child(2) { border-right: 0; }.solution-item:nth-child(-n+2) { border-bottom: 1px solid var(--line); }
  .manifesto-inner { grid-template-columns: 1fr; gap: 32px; padding: 80px 0; }
  .catalog-card { grid-template-columns: 1fr; }.catalog-visual { min-height: 300px; }
}

@media (max-width: 680px) {
  .container { width: min(calc(100% - 32px), var(--max)); }
  .section { padding: 74px 0; }.section-compact { padding: 52px 0; }
  .brand { width: 170px; }.header-inner { height: 68px; }.site-nav { inset-block-start: 68px; }
  .hero { min-height: auto; padding: 128px 0 50px; }.display { font-size: 45px; }.hero-copy { font-size: 18px; }.hero-visual { min-height: 350px; }.rack { width: 250px; height: 310px; padding: 18px; }.rack-unit { height: 37px; margin-bottom: 7px; }.data-line { display: none; }
  .hero-meta { grid-template-columns: 1fr; }.meta-item { padding: 17px 20px; }
  .product-grid, .solution-detail-grid { grid-template-columns: 1fr; }.product-card { min-height: 390px; padding: 27px; }.card-link { left: 27px; }.device { opacity: .82; right: -70px; }
  .solution-strip, .process-grid { grid-template-columns: 1fr; }.solution-item { min-height: auto; border-right: 0; border-bottom: 1px solid var(--line); }.solution-item:last-child { border-bottom: 0; }
  .page-hero { min-height: 550px; padding: 138px 0 70px; }.page-hero .display { font-size: 48px; }
  .catalog-body { padding: 28px; }.catalog-body h2 { font-size: 28px; }.spec-table th { width: 42%; }
  .flow-map { grid-template-columns: 1fr; }.flow-map::before { top: 12%; bottom: 12%; left: 50%; width: 1px; height: auto; }
  .about-grid { gap: 42px; }.process-step { min-height: 220px; }.process-step h3 { margin-top: 56px; }
  .footer-top { grid-template-columns: 1fr; }.footer-bottom { align-items: flex-start; flex-direction: column; justify-content: center; padding: 18px 0; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; transition-duration: .01ms !important; }
}